HP SmartCalc 300s Scientific Calculator (F2240AA) SPECIFICATIONS:Hewlett Packard SmartCalc 300s Scientific CalculatorFormulas displayed as writtenDual powered (AG13)249 built-in science functionsAlgebra, trigonometry, biologyStatistics, chemistry, geometryAlgebraic entry, navigate padEnter, view, edit expressions8 memory storage registersCobalt blue w/snap-on cover1 year limited warranty3" x 0.6" x 6.5" / 4 oz*Limited Quantity Available*